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      1 /*
      2  * Copyright (C) 2007 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "JSSQLResultSetRowList.h"
     31 
     32 #if ENABLE(DATABASE)
     33 
     34 #include "ExceptionCode.h"
     35 #include "SQLValue.h"
     36 #include "SQLResultSetRowList.h"
     37 
     38 using namespace JSC;
     39 
     40 namespace WebCore {
     41 
     42 JSValue JSSQLResultSetRowList::item(ExecState* exec)
     43 {
     44     bool indexOk;
     45     int index = finiteInt32Value(exec->argument(0), exec, indexOk);
     46     if (!indexOk) {
     47         setDOMException(exec, TYPE_MISMATCH_ERR);
     48         return jsUndefined();
     49     }
     50     if (index < 0 || (unsigned)index >= m_impl->length()) {
     51         setDOMException(exec, INDEX_SIZE_ERR);
     52         return jsUndefined();
     53     }
     54 
     55     JSObject* object = constructEmptyObject(exec);
     56 
     57     unsigned numColumns = m_impl->columnNames().size();
     58     unsigned valuesIndex = index * numColumns;
     59     for (unsigned i = 0; i < numColumns; i++) {
     60         const SQLValue& value = m_impl->values()[valuesIndex + i];
     61         JSValue jsValue;
     62 
     63         switch (value.type()) {
     64             case SQLValue::StringValue:
     65               jsValue = jsString(exec, value.string());
     66               break;
     67           case SQLValue::NullValue:
     68               jsValue = jsNull();
     69               break;
     70           case SQLValue::NumberValue:
     71               jsValue = jsNumber(value.number());
     72               break;
     73           default:
     74               ASSERT_NOT_REACHED();
     75         }
     76 
     77         object->putDirect(exec->globalData(), Identifier(exec, stringToUString(m_impl->columnNames()[i])), jsValue, DontDelete | ReadOnly);
     78     }
     79 
     80     return object;
     81 }
     82 
     83 }
     84 
     85 #endif
     86